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Btrfs: add missing error checks to add_data_references 

The function relocation.c:add_data_references() was not checking
if all calls to __add_tree_block() and find_data_references() were
succeeding or not.

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Filipe David Borba Manana 2013-07-13 12:25:15 +01:00 committed by Chris Mason
parent ccf39f92f3
commit 647f63bd36
1 changed files with 6 additions and 1 deletions
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7
fs/btrfs/relocation.c
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@ -3628,7 +3628,7 @@ int add_data_references(struct reloc_control *rc,
unsigned long ptr;
unsigned long end;
u32 blocksize = btrfs_level_size(rc->extent_root, 0);
int ret;
int ret = 0;
int err = 0;
eb = path->nodes[0];
@ -3655,6 +3655,10 @@ int add_data_references(struct reloc_control *rc,
} else {
BUG();
}
if (ret) {
err = ret;
goto out;
}
ptr += btrfs_extent_inline_ref_size(key.type);
}
WARN_ON(ptr > end);
@ -3700,6 +3704,7 @@ int add_data_references(struct reloc_control *rc,
}
path->slots[0]++;
}
out:
btrfs_release_path(path);
if (err)
free_block_list(blocks);